media: atomisp: gc0310: Move and rename suspend/resume functions

media: atomisp: gc0310: Move and rename suspend/resume functions

Move the suspend()/resume() functions to above gc0310_detect() and rename
the functions to power_off()/power_on().

No functional changes, this is a preparation patch for reworking
the runtime-pm handling in probe() and remove().

Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-20-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>